There are rivers in Hainan, among which Nandu River, Changhua River and Wanquan River are the three major rivers in Hainan Island.

1. Nandu River, also known as Nandu River, was called Limu River in ancient times. It is the largest river in Hainan Island, China. It originates from Nanfeng Mountain in the south of Nankai Township, Baisha Li Autonomous County, Hainan Province. The main stream runs obliquely through the central and northern part of Hainan Island, flowing through Baisha, Qiongzhong, Danzhou, Chengmai, Tunchang, Ding'an, Qiongshan and other cities and counties, and finally flows into the Qiongzhou Strait in Sanlian Community, Meilan District, Haikou City. It is 333.8 kilometers long and has a basin area of ​​7,033 square kilometers.

2. Changhua River, also known as Changjiang River, is the second largest river in Hainan Island and the only river in Hainan Island that flows into the Beibu Gulf. It originates from Kongshiling Mountain at the northern foot of Wuzhi Mountain Range on Hainan Island, and runs across the central and western parts of Hainan Island. The river flows from northeast to southwest through Wuzhi Mountain in Qiongzhong, turns northwest in Ledong County, and finally flows west from Dongfang City through Changhua Port in Changjiang County into the South China Sea, forming a broad trumpet-shaped mouth at the estuary. The main stream of Changhua River is 232 kilometers long, with a drainage area of ​​5,150 square kilometers and a total drop of 1,270 meters.

3. Wanquan River, known as Duohe in ancient times. It is the third largest river on Hainan Island, China. It is located in the eastern part of Hainan Island, Hainan Province, China. It originates from Wuzhi Mountain, has a total length of 163 kilometers and a drainage area of ​​3,693 square kilometers. With typical tropical rainforest landscapes and ingenious landforms on both sides of the river, Wanquan River is an unpolluted tropical river with beautiful ecological environment in China, and is known as the "Amazon River" of China.